US PATENT SUBCLASS 417 / 293
.~ Driven pump part speed responsive


Current as of: June, 1999
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417 /   HD   PUMPS

279  DF  WITH CONDITION RESPONSIVE PUMPED FLUID CONTROL {22}
293.~ Driven pump part speed responsive {1}
294  DF  .~.~> Centrifugally actuated


DEFINITION

Classification: 417/293

(under subclass 279) Apparatus in which there is provided a sensing means responding to the speed of a driven portion of the pump means or the drive means for such means and which is related to the fluid flow control means to operate the latter when the pump portion or drive means attains a predetermined speed or changes speed.